Yealink T42G Quick Start Guide

2
Startup
Welcome
Initializing...please wait
3. Connect the network and power, as shown below:
You have two options for network and power connections. Your system administrator will advise you which
one to use.
Note : The Skype for Business phone should be used with Yealink original power adapter (5V/1.2A) only. The
use of the third-party
power adapter may cause the damage to the phone. If you are connecting a PC
to your phone, we recommend that you use the Ethernet cable provided by Yealink.
If inline power (PoE) is provided, you don’t need to connect the power adapter. Make sure the
hub/switch is PoE-compliant.
A
AC Power Option
Power Adapter
(DC 5V)
PC Connection
(Optional)
PC
IEEE 802.3af compliant
PoE Hub/Switch
B
PoE ( Power over
Ethernet ) Option
PC Connection
(Optional)
PC
After the Skype for Business phone is connected to the network and
supplied with power, it automatically begins the initialization process.
After startup, the sign-in screen appears on the phone LED screen.
Refer to Sign-in on page 3 to sign into the Skype for Business Server.

Yealink T42G Specifications

General

Power requirements	100-240V, DC 5V
Power over Ethernet (PoE)	Yes
Touchscreen	-
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Voice codecs	G.711, G.723, G.729A, G.729B
Bluetooth	No
RJ-9 ports quantity	2
Ethernet LAN (RJ-45) ports	1
Storage temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Grey
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	189 mm